Player Data JSON

{
  "player": {
    "id": 3975,
    "api_id": 1161083,
    "name": "Rioko Umekuni",
    "short_name": "R. Umekuni",
    "country": "Japan",
    "country_code": "JP",
    "gender": "Female",
    "circuit": "WTA",
    "date_of_birth": null,
    "height_cm": null,
    "weight_kg": null,
    "plays": "",
    "turned_pro": null
  },
  "utr": {
    "id": 3749686,
    "singles": 8.0,
    "doubles": null,
    "ranking": 6553,
    "division": "General",
    "is_pro": false,
    "updated_at": "2026-01-18"
  },
  "current_ranking": null,
  "ranking_history": [],
  "career_stats": {
    "total_matches": 3,
    "wins": 0,
    "losses": 3,
    "win_rate": 0.0
  },
  "surface_stats": {
    "hard": {
      "matches": 3,
      "wins": 0,
      "losses": 3,
      "win_rate": 0.0
    },
    "clay": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    },
    "grass": {
      "matches": 0,
      "wins": 0,
      "losses": 0,
      "win_rate": 0
    }
  },
  "category_stats": {
    "UTR": {
      "matches": 3,
      "wins": 0,
      "losses": 3,
      "win_rate": 0.0
    }
  },
  "average_match_stats": {
    "matches_with_stats": 3,
    "avg_aces_per_match": 0.0,
    "avg_double_faults_per_match": 4.0,
    "avg_first_serve_pct": 63.9,
    "avg_first_serve_won_pct": 47.4,
    "avg_second_serve_won_pct": 43.0,
    "avg_break_points_converted_pct": null
  },
  "recent_form": [
    {
      "date": "2025-12-31",
      "opponent": "Anna Grigoreva",
      "opponent_id": 342908,
      "tournament": "UTR PTT Waco Women 04",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 2,
        "first_serve_pct": 70.1492537313433,
        "first_serve_won_pct": 57.446808510638306,
        "second_serve_won_pct": 60.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-30",
      "opponent": "Andi Anderson",
      "opponent_id": 1161084,
      "tournament": "UTR PTT Waco Women 04",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 5,
        "first_serve_pct": 65.51724137931035,
        "first_serve_won_pct": 50.0,
        "second_serve_won_pct": 45.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    },
    {
      "date": "2025-12-29",
      "opponent": "Solymar Colling",
      "opponent_id": 277240,
      "tournament": "UTR PTT Waco Women 04",
      "surface": "hard",
      "round": "",
      "result": "L",
      "score": "0-2",
      "stats": {
        "aces": 0,
        "double_faults": 5,
        "first_serve_pct": 56.09756097560976,
        "first_serve_won_pct": 34.78260869565217,
        "second_serve_won_pct": 75.0,
        "break_points_converted_pct": null,
        "total_points_won": null
      }
    }
  ],
  "form_summary": {
    "last_10_matches": 3,
    "wins": 0,
    "losses": 3,
    "form_string": "LLL"
  },
  "head_to_head": [
    {
      "opponent": "Solymar Colling",
      "opponent_id": 277240,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Andi Anderson",
      "opponent_id": 1161084,
      "matches": 1,
      "wins": 0,
      "losses": 1
    },
    {
      "opponent": "Anna Grigoreva",
      "opponent_id": 342908,
      "matches": 1,
      "wins": 0,
      "losses": 1
    }
  ],
  "upcoming_matches": [],
  "year_statistics": null,
  "data_generated_at": "2026-01-30 16:45:52 UTC"
}